package org.learn.acmtrain;
import java.util.Scanner;
//简单的a+b
public class AddAB {
        public static void main(String[] args) {
            Scanner scanner = new Scanner(System.in);
            while (scanner.hasNext()) {
                int a = scanner.nextInt();
                int b = scanner.nextInt();
                int c = a + b;
                System.out.println(c);
            }
        }
    }

